20132889940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4770827}}^1$

素因数の和:4771047

約数の個数: 24

約数和(自身を含む): 42479452512

約数和(自身を除く): 22346562572

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4770827, 9541654, 19083308, 23854135, 47708270, 95416540, 1006644497, 2013288994, 4026577988, 5033222485, 10066444970, 20132889940]

約数ペア:

[(1, 20132889940), (2, 10066444970), (4, 5033222485), (5, 4026577988), (10, 2013288994), (20, 1006644497), (211, 95416540), (422, 47708270), (844, 23854135), (1055, 19083308), (2110, 9541654), (4220, 4770827)]